The Italian trattorias are much simpler than those categorized as restaurants restaurants. The category Italian trattorias is intended to be a guide for those around Italy looking for a trattoria.
Generally in a trattoria it is easier to find the typical dishes of the province or region of origin as opposed to restaurants that offer a more spacious kitchen. Commonplace on trattoria is that when you think of a restaurant that comes to mind is genuine food. The place where we could eat like our grandmother cooked.
Italian trattorias are the places where you can taste the local cuisine.
The trattoria is an environment generally more informal restaurant. In the restaurant usually they are served as "the good dishes" and generally refer to the local tradition that can be regional or town.
There are also many restaurants where the name is old but have become restaurants in "five stars".
In Italy we have thousands of Italian restaurants throughout the country. You find the historical, more modern, in farmhouses, some very special that will make you relive old times.